<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>注册</title>
    <link rel="stylesheet" href="lib/layui-v2.5.5/css/layui.css" media="all">
    <style>
        html, body {width: 100%;height: 100%;overflow: hidden}
        body {background: #1E9FFF;}
        body:after {content:'';background-repeat:no-repeat;background-size:cover;-webkit-filter:blur(3px);-moz-filter:blur(3px);-o-filter:blur(3px);-ms-filter:blur(3px);filter:blur(3px);position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1;}
        .layui-container {width: 100%;height: 100%;overflow: hidden}
        .admin-login-background {width:360px;height:300px;position:absolute;left:50%;top:40%;margin-left:-180px;margin-top:-100px;}
        .logo-title {text-align:center;letter-spacing:2px;padding:14px 0;}
        .logo-title h1 {color:#1E9FFF;font-size:25px;font-weight:bold;}
        .login-form {background-color:#fff;border:1px solid #fff;border-radius:3px;padding:14px 20px;box-shadow:0 0 8px #eeeeee;}
        .login-form .layui-form-item {position:relative;}
        .login-form .layui-form-item label {position:absolute;left:1px;top:1px;width:38px;line-height:36px;text-align:center;color:#d2d2d2;}
        .login-form .layui-form-item input {padding-left:36px;}
        .captcha {width:60%;display:inline-block;}
        .captcha-img {display:inline-block;width:34%;float:right;}
        .captcha-img img {height:34px;border:1px solid #e6e6e6;height:36px;width:100%;}
    </style>
</head>
<body>
<div class="layui-container">
    <div class="admin-login-background">
        <div class="layui-form login-form">
                <div class="layui-form-item logo-title">
                    <h1>注册</h1>
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-username" ></label>
                    <input type="text" id="username" name="username" lay-verify="required|account" placeholder="请输入用户名" autocomplete="off" class="layui-input" value="">
                </div>
                <div class="layui-form-item">
                    <label class="layui-icon layui-icon-password" ></label>
                    <input type="password" id="password" name="password" lay-verify="required|password" placeholder="请输入密码" autocomplete="off" class="layui-input" value="">
                </div>
                <div class="layui-form-item">
                    <button class="layui-btn layui-btn layui-btn-normal layui-btn-fluid" lay-submit="" lay-filter="register"  id="register">注册</button>
                </div>
        </div>
    </div>
</div>
<script src="lib/jquery-3.4.1/jquery-3.4.1.min.js" charset="utf-8"></script>
<script src="lib/layui-v2.5.5/layui.js" charset="utf-8"></script>
<script src="lib/jq-module/jquery.particleground.min.js" charset="utf-8"></script>
<script>
    layui.use(['element', 'form','jquery','layer'], function () {
        var element = layui.element;
        var form = layui.form;
        var $ = layui.jquery;
        var layer = layui.layer;
        // 粒子线条背景
        $(document).ready(function(){
            $('.layui-container').particleground({
                dotColor:'#7ec7fd',
                lineColor:'#7ec7fd'
            });
        });

        //用户名失去焦点 发送ajax请求验证用户名是否存在
        $("#username").blur(function () {
          let username = $("#username").val();
          if(username.trim()){
              $.ajax({
                  url:'user/findOne.do',
                  data: {username:username},
                  dataType:'json',
                  type:'post',
                  success:function (result) {
                      layer.msg(result.msg)
                      if(result.code!=200){
                          //将注册按钮置为不可点击
                          $("#register").attr('disabled',true);
                      }else{
                          //重置注册按钮
                          $("#register").attr('disabled',false);
                      }
                  },
                  error:function () {
                      layer.msg("请求失败!")
                  }
              })
          }else{
              layer.msg('用户名不能为空',{time:600});
          }

        })
        // 进行注册操作
        form.on('submit(register)', function (data) {
            data = data.field;
            if (data.username == '') {
                layer.msg('用户名不能为空');
                return false;
            }
            if (data.password == '') {
                layer.msg('密码不能为空');
                return false;
            }

            //发送ajax请求注册用户
            $.ajax({
                url:'user/register.do',
                data: data,
                dataType:'json',
                type:'post',
                success:function (result) {
                    if (result.code==200){
                        //提示注册成功信息
                        layer.msg(result.msg,{time:1500},function () {
                            window.location = 'login.html';
                        })
                    }else{
                        layer.msg(result.msg,{time:2000});
                    }
                },
                error:function () {
                    layer.msg("请求失败!")
                }
            })

        });
    });
</script>
</body>
</html>